<template>
    <global-layout @dynamicRouterShow="dynamicRouterShow">
        <!-- update-begin- author:sunjianlei --- date:20191009 --- for: 提升右键菜单的层级 -->
        <contextmenu :itemList="menuItemList" :visible.sync="menuVisible" style="z-index: 9999;"
                     @select="onMenuSelect"/>
        <!-- update-end- author:sunjianlei --- date:20191009 --- for: 提升右键菜单的层级 -->
        <a-tabs
                @contextmenu.native="e => onContextmenu(e)"
                v-if="multipage"
                :active-key="activePage"
                class="tab-layout-tabs"
                style="height:52px;"
                :hide-add="true"
                type="editable-card"
                @change="changePage"
                @tabClick="tabCallBack"
                @edit="editPage">
            <a-tab-pane :id="page.fullPath" :key="page.fullPath" v-for="page in pageList"
                        :closable="!(page.meta.title=='首页')">
                <span slot="tab" :pagekey="page.fullPath">{{ page.meta.title }}</span>
            </a-tab-pane>
        </a-tabs>

        <div style="margin: 12px 12px 0;height:100%;">
            <keep-alive v-if="multipage">
                <router-view v-if="reloadFlag"/>
            </keep-alive>
            <template v-else>
                <router-view v-if="reloadFlag"/>
            </template>
        </div>

    </global-layout>
</template>

<script>
    import GlobalLayout from '@/components/page/GlobalLayout'
    import Contextmenu from '@/components/menu/Contextmenu'
    import { mixin, mixinDevice } from '@/utils/mixin.js'
    import { triggerWindowResizeEvent } from '@/utils/util'

    const indexKey = '/dashboard/analysis'
    import Vue from 'vue'
    import { CACHE_INCLUDED_ROUTES } from '@/store/mutation-types'

    export default {
        name: 'TabLayout',
        components: {
            GlobalLayout,
            Contextmenu
        },
        mixins: [mixin, mixinDevice],
        data() {
            return {
                pageList: [],
                linkList: [],
                activePage: '',
                menuVisible: false,
                menuItemList: [
                    { key: '4', icon: 'reload', text: '刷 新' },
                    { key: '1', icon: 'arrow-left', text: '关闭左侧' },
                    { key: '2', icon: 'arrow-right', text: '关闭右侧' },
                    { key: '3', icon: 'close', text: '关闭其它' }
                ],
                reloadFlag: true
            }
        },
        /* update_begin author:wuxianquan date:20190828 for: 关闭当前tab页，供子页面调用 ->望菜单能配置外链，直接弹出新页面而不是嵌入iframe #428 */
        provide() {
            return {
                closeCurrent: this.closeCurrent
            }
        },
        /* update_end author:wuxianquan date:20190828 for: 关闭当前tab页，供子页面调用->望菜单能配置外链，直接弹出新页面而不是嵌入iframe #428 */
        computed: {
            multipage() {
                //判断如果是手机模式，自动切换为单页面模式
                if (this.isMobile()) {
                    return false
                } else {
                    return this.$store.state.app.multipage
                }
            }
        },
        created() {
            if (this.$route.path != indexKey) {
                this.addIndexToFirst()
            }
            // 复制一个route对象出来，不能影响原route
            let currentRoute = Object.assign({}, this.$route)
            currentRoute.meta = Object.assign({}, currentRoute.meta)
            // update-begin-author:sunjianlei date:20191223 for: 修复刷新后菜单Tab名字显示异常
            let storeKey = 'route:title:' + currentRoute.fullPath
            let routeTitle = this.$ls.get(storeKey)
            if (routeTitle) {
                currentRoute.meta.title = routeTitle
            }
            // update-end-author:sunjianlei date:20191223 for: 修复刷新后菜单Tab名字显示异常
            this.pageList.push(currentRoute)
            this.linkList.push(currentRoute.fullPath)
            this.activePage = currentRoute.fullPath
        },
        mounted() {
        },
        watch: {
            '$route': function(newRoute) {
                //console.log("新的路由",newRoute)
                this.activePage = newRoute.fullPath
                if (!this.multipage) {
                    this.linkList = [newRoute.fullPath]
                    this.pageList = [Object.assign({}, newRoute)]
                    // update-begin-author:taoyan date:20200211 for: TASK #3368 【路由缓存】首页的缓存设置有问题，需要根据后台的路由配置来实现是否缓存
                } else if (indexKey == newRoute.fullPath) {
                    //首页时 判断是否缓存 没有缓存 刷新之
                    if (newRoute.meta.keepAlive === false) {
                        this.routeReload()
                    }
                    // update-end-author:taoyan date:20200211 for: TASK #3368 【路由缓存】首页的缓存设置有问题，需要根据后台的路由配置来实现是否缓存
                } else if (this.linkList.indexOf(newRoute.fullPath) < 0) {
                    this.linkList.push(newRoute.fullPath)
                    this.pageList.push(Object.assign({}, newRoute))
                    //// update-begin-author:sunjianlei date:20200103 for: 如果新增的页面配置了缓存路由，那么就强制刷新一遍 #842
                    // if (newRoute.meta.keepAlive) {
                    //   this.routeReload()
                    // }
                    //// update-end-author:sunjianlei date:20200103 for: 如果新增的页面配置了缓存路由，那么就强制刷新一遍 #842
                } else if (this.linkList.indexOf(newRoute.fullPath) >= 0) {
                    let oldIndex = this.linkList.indexOf(newRoute.fullPath)
                    let oldPositionRoute = this.pageList[oldIndex]
                    this.pageList.splice(oldIndex, 1, Object.assign({}, newRoute, { meta: oldPositionRoute.meta }))
                }
            },
            'activePage': function(key) {
                let index = this.linkList.lastIndexOf(key)
                let waitRouter = this.pageList[index]
                // 【TESTA-523】修复：不允许重复跳转路由异常
                if (waitRouter.fullPath !== this.$route.fullPath) {
                    this.$router.push(Object.assign({}, waitRouter))
                }
                this.changeTitle(waitRouter.meta.title)
            },
            'multipage': function(newVal) {
                if (this.reloadFlag) {
                    if (!newVal) {
                        this.linkList = [this.$route.fullPath]
                        this.pageList = [this.$route]
                    }
                }
            },
            // update-begin-author:sunjianlei date:20191223 for: 修复从单页模式切换回多页模式后首页不居第一位的 BUG
            device() {
                if (this.multipage && this.linkList.indexOf(indexKey) === -1) {
                    this.addIndexToFirst()
                }
            }
            // update-end-author:sunjianlei date:20191223 for: 修复从单页模式切换回多页模式后首页不居第一位的 BUG
        },
        methods: {
            // update-begin-author:sunjianlei date:20191223 for: 修复从单页模式切换回多页模式后首页不居第一位的 BUG
            // 将首页添加到第一位
            addIndexToFirst() {
                this.pageList.splice(0, 0, {
                    name: 'dashboard-analysis',
                    path: indexKey,
                    fullPath: indexKey,
                    meta: {
                        icon: 'dashboard',
                        title: '首页'
                    }
                })
                this.linkList.splice(0, 0, indexKey)
            },
            // update-end-author:sunjianlei date:20191223 for: 修复从单页模式切换回多页模式后首页不居第一位的 BUG

            // update-begin-author:sunjianlei date:20200120 for: 动态更改页面标题
            changeTitle(title) {
                let projectTitle = '鸿创信息-聚医云系统'
                // 首页特殊处理
                if (this.$route.path === indexKey) {
                    document.title = projectTitle
                } else {
                    document.title = projectTitle + ' · ' + title
                }
            },
            // update-end-author:sunjianlei date:20200120 for: 动态更改页面标题

            changePage(key) {
                this.activePage = key
            },
            tabCallBack() {
                this.$nextTick(() => {
                    //update-begin-author:taoyan date: 20201211 for:【新版】online报错 JT-100
                    setTimeout(() => {
                        //省市区组件里面给window绑定了个resize事件 导致切换页面的时候触发了他的resize，但是切换页面，省市区组件还没被销毁前就触发了该事件，导致控制台报错，加个延迟
                        triggerWindowResizeEvent()
                    }, 20)
                    //update-end-author:taoyan date: 20201211 for:【新版】online报错 JT-100
                })
            },
            editPage(key, action) {
                this[action](key)
            },
            remove(key) {
                if (key == indexKey) {
                    this.$message.warning('首页不能关闭!')
                    return
                }
                if (this.pageList.length === 1) {
                    this.$message.warning('这是最后一页，不能再关闭了啦')
                    return
                }
                console.log('this.pageList ', this.pageList)
                let removeRoute = this.pageList.filter(item => item.fullPath == key)
                this.pageList = this.pageList.filter(item => item.fullPath !== key)
                let index = this.linkList.indexOf(key)
                this.linkList = this.linkList.filter(item => item !== key)
                index = index >= this.linkList.length ? this.linkList.length - 1 : index
                this.activePage = this.linkList[index]

                //update-begin--Author:scott  Date:20201015 for：路由缓存问题，关闭了tab页时再打开就不刷新 #842
                //关闭页面则从缓存cache_included_routes中删除路由，下次点击菜单会重新加载页面
                let cacheRouterArray = Vue.ls.get(CACHE_INCLUDED_ROUTES) || []
                if (removeRoute && removeRoute[0]) {
                    let componentName = removeRoute[0].meta.componentName
                    console.log('key: ', key)
                    console.log('componentName: ', componentName)
                    if (cacheRouterArray.includes(componentName)) {
                        cacheRouterArray.splice(cacheRouterArray.findIndex(item => item === componentName), 1)
                        Vue.ls.set(CACHE_INCLUDED_ROUTES, cacheRouterArray)
                    }
                }
                //update-end--Author:scott  Date:20201015 for：路由缓存问题，关闭了tab页时再打开就不刷新 #842

            },
            onContextmenu(e) {
                const pagekey = this.getPageKey(e.target)
                if (pagekey !== null) {
                    e.preventDefault()
                    this.menuVisible = true
                }
            },
            getPageKey(target, depth) {
                depth = depth || 0
                if (depth > 2) {
                    return null
                }
                let pageKey = target.getAttribute('pagekey')
                pageKey = pageKey || (target.previousElementSibling ? target.previousElementSibling.getAttribute('pagekey') : null)
                return pageKey || (target.firstElementChild ? this.getPageKey(target.firstElementChild, ++depth) : null)
            },
            onMenuSelect(key, target) {
                let pageKey = this.getPageKey(target)
                switch (key) {
                    case '1':
                        this.closeLeft(pageKey)
                        break
                    case '2':
                        this.closeRight(pageKey)
                        break
                    case '3':
                        this.closeOthers(pageKey)
                        break
                    case '4':
                        this.routeReload()
                        break
                    default:
                        break
                }
            },
            /* update_begin author:wuxianquan date:20190828 for: 关闭当前tab页，供子页面调用->望菜单能配置外链，直接弹出新页面而不是嵌入iframe #428 */
            closeCurrent() {
                this.remove(this.activePage)
            },
            /* update_end author:wuxianquan date:20190828 for: 关闭当前tab页，供子页面调用->望菜单能配置外链，直接弹出新页面而不是嵌入iframe #428 */
            closeOthers(pageKey) {
                let index = this.linkList.indexOf(pageKey)
                if (pageKey == indexKey || pageKey.indexOf('?ticke=') >= 0) {
                    this.linkList = this.linkList.slice(index, index + 1)
                    this.pageList = this.pageList.slice(index, index + 1)
                    this.activePage = this.linkList[0]
                } else {
                    let indexContent = this.pageList.slice(0, 1)[0]
                    this.linkList = this.linkList.slice(index, index + 1)
                    this.pageList = this.pageList.slice(index, index + 1)
                    this.linkList.unshift(indexContent.fullPath)
                    this.pageList.unshift(indexContent)
                    this.activePage = this.linkList[1]
                }
            },
            closeLeft(pageKey) {
                if (pageKey == indexKey) {
                    return
                }
                let tempList = [...this.pageList]
                let indexContent = tempList.slice(0, 1)[0]
                let index = this.linkList.indexOf(pageKey)
                this.linkList = this.linkList.slice(index)
                this.pageList = this.pageList.slice(index)
                this.linkList.unshift(indexContent.fullPath)
                this.pageList.unshift(indexContent)
                if (this.linkList.indexOf(this.activePage) < 0) {
                    this.activePage = this.linkList[0]
                }
            },
            closeRight(pageKey) {
                let index = this.linkList.indexOf(pageKey)
                this.linkList = this.linkList.slice(0, index + 1)
                this.pageList = this.pageList.slice(0, index + 1)
                if (this.linkList.indexOf(this.activePage < 0)) {
                    this.activePage = this.linkList[this.linkList.length - 1]
                }
            },
            //update-begin-author:taoyan date:20190430 for:动态路由title显示配置的菜单title而不是其对应路由的title
            dynamicRouterShow(key, title) {
                let keyIndex = this.linkList.indexOf(key)
                if (keyIndex >= 0) {
                    let currRouter = this.pageList[keyIndex]
                    let meta = Object.assign({}, currRouter.meta, { title: title })
                    this.pageList.splice(keyIndex, 1, Object.assign({}, currRouter, { meta: meta }))
                    if (key === this.activePage) {
                        this.changeTitle(title)
                    }
                }
            },
            //update-end-author:taoyan date:20190430 for:动态路由title显示配置的菜单title而不是其对应路由的title

            //update-begin-author:taoyan date:20191008 for:路由刷新
            routeReload() {
                this.reloadFlag = false
                let ToggleMultipage = 'ToggleMultipage'
                this.$store.dispatch(ToggleMultipage, false)
                this.$nextTick(() => {
                    this.$store.dispatch(ToggleMultipage, true)
                    this.reloadFlag = true
                })
            },
            //update-end-author:taoyan date:20191008 for:路由刷新
            //新增一个返回方法
            excuteCallback(callback) {
                callback()
            }
        }
    }
</script>

<style lang="less">

    /*
   * The following styles are auto-applied to elements with
   * transition="page-transition" when their visibility is toggled
   * by Vue.js.
   *
   * You can easily play with the page transition by editing
   * these styles.
   */

    .page-transition-enter {
        opacity: 0;
    }

    .page-transition-leave-active {
        opacity: 0;
    }

    .page-transition-enter .page-transition-container,
    .page-transition-leave-active .page-transition-container {
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
    }

    /*美化弹出Tab样式*/
    .ant-tabs-nav-container {
        margin-top: 4px;
    }

    /* 修改 ant-tabs 样式 */
    .tab-layout-tabs.ant-tabs {
        background-color: rgba(0,0,0,0.3);
        padding: 0 20px;

        .ant-tabs-bar {
            margin: 4px 0 0;
            border: none;
        }

    }

    .tab-layout-tabs.ant-tabs {

        &.ant-tabs-card .ant-tabs-tab {

            padding: 0 24px !important;
            background-color: rgba(0,0,0,0.3) !important;
            margin-right: 10px !important;

            .ant-tabs-close-x {
                width: 12px !important;
                height: 12px !important;
                opacity: 0 !important;
                cursor: pointer !important;
                font-size: 12px !important;
                margin: 0 !important;
                position: absolute;
                top: 36%;
                right: 6px;
                color: #eeeeee;
            }

            &:hover .ant-tabs-close-x {
                opacity: 1 !important;
                color: #eeeeee;
            }

        }

    }

    .tab-layout-tabs.ant-tabs.ant-tabs-card > .ant-tabs-bar {
        .ant-tabs-tab {
            border: none !important;
            border-bottom: 1px solid transparent !important;
            color: @primary-color !important;
        }

        .ant-tabs-tab-active {
            border-color: @primary-color !important;
        }
    }


</style>
